Tìm Kiếm

Smoke from wildfires throughout the Bay Area is impacting air quality.  

Localized air quality impacts may occur as Marathon Refinery in Martinez idles operations.

Learn about the Air District's free air quality widgets and add them to your website.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

Learn about the Wildfire Air Quality Response Program, which was developed by the Air District to help mitigate the effect of wildfires on air quality in the Bay Area.

The Air District is issuing an air quality advisory for wildfire smoke through Thursday, August 31. A Spare the Air Alert is also in effect for today, Wednesday, August 30. Smoke from numerous fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area through tomorrow, causing air quality to reach high-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect for Thursday.

The Bay Area Air Quality Management District is extending an air quality advisory for wildfire smoke from the Sites Fire, located in western Colusa County, through Thursday, June 20. 

The Air District is issuing an air quality advisory for wildfire smoke through Wednesday, September 20. Smoke from fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area area, causing air quality to reach high-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke from the Sites Fires, located in western Colusa County, through Wednesday, June 19. 

The Air District is extending an air quality advisory for wildfire smoke through Monday, August 21. Smoke from numerous fires in Northern California and the Plant Fire in Southern California is expected to impact air quality throughout the Bay Area on Sunday and Monday, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke through Tuesday, August 22. Smoke from numerous fires in Northern California and the Plant Fire in Southern California is expected to impact air quality throughout the Bay Area on Monday and Tuesday, causing air quality to reach moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke through Wednesday, August 23. Smoke from numerous fires in Northern California is expected to impact air quality throughout the Bay Area on Tuesday and Wednesday, causing air quality to reach moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is issuing an air quality advisory for wildfire smoke for Friday, August 25. Smoke from the Smith River Complex and other fires in Northern California is expected to impact air quality throughout the Bay Area on Friday, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke through Sunday, August 27. Smoke from numerous fires in Northern and Southern California and Oregon is expected to impact air quality throughout the Bay Area on Friday, Saturday and Sunday, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke through Monday, August 28. Smoke from numerous fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke through Tuesday, August 29. Smoke from numerous fires in Northern California and Oregon is expected to impact air quality throughout the Bay Area, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is extending an air quality advisory for wildfire smoke through Thursday, July 20. Smoke from the Flat Fire in southwestern Oregon continues to be transported into the Bay Area today and into the early evening. Smoky, hazy skies may be visible across the Bay Area and the smell of smoke is possible at higher elevations, especially in the East Bay, North Bay and Santa Clara Valley regions. Pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect.

The Air District is issuing an air quality advisory for wildfire smoke for Sunday, August 20. Smoke from numerous fires in northern California is impacting air quality over far northwestern California. Wind patterns are helping to keep smoke away from the Bay Area today through most of the day on Sunday. However, some smoke is predicted to reach the North Bay by late Sunday afternoon, causing air quality to reach low-Moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible in the North Bay and the smell of smoke is possible at higher elevations. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

The Air District is issuing an air quality advisory for wildfire smoke for Monday, August 30. Pollution levels are not expected to exceed federal health standards and no Spare the Air Alert is in effect.

The Air District is issuing an air quality advisory for wildfire smoke for Monday, October 4. Smoke from wildfires in Southern California is expected to continue impacting the Bay Area on Monday with smoky and hazy skies. Pollution levels are not expected to exceed federal health standards and no Spare the Air Alert is in effect for Monday. A Spare the Air Alert for ozone, or smog, remains in effect for Sunday, October 3.